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Your API has new users it doesn't know about yet — AI agents.

Claude Code reads CLAUDE.md. Cursor reads .cursorrules. Codex and Copilot read AGENTS.md. And if you want your API callable as a tool, you need an MCP server. That's a lot of files to write and keep in sync with your API spec.

Agentify reads your OpenAPI spec and writes them all.

npx agentify-cli transform https://petstore.swagger.io/v2/swagger.json

What You Get

One command generates up to 9 formats from a single OpenAPI spec:

Format	Used by
MCP Server	Claude, ChatGPT, Copilot (with Dockerfile)
CLAUDE.md	Claude Code
AGENTS.md	Codex, Copilot, Cursor, Gemini CLI
.cursorrules	Cursor IDE
Skills	Agent platforms
llms.txt	LLM search engines
GEMINI.md	Gemini CLI
A2A Card	Google Agent-to-Agent protocol
CLI	A standalone command-line tool that makes real API calls

Quick Start

# Transform any OpenAPI spec (Swagger 2.0 or OpenAPI 3.x)
npx agentify-cli transform https://petstore.swagger.io/v2/swagger.json

# Pick specific formats
npx agentify-cli transform ./my-api.yaml -f mcp claude.md agents.md

# Generate a standalone CLI tool
npx agentify-cli transform ./my-api.yaml -f cli -o my-api-cli

# Custom output directory and project name
npx agentify-cli transform https://api.example.com/openapi.json -o ./output -n my-project

Example output:

  Agentify v0.4.1
  Agent Interface Compiler

  +-- 20 endpoints detected -> SMALL API strategy
  +-- 3 domains identified (pet, store, user)
  +-- Auth: apiKey (SWAGGER_PETSTORE_API_KEY)
  +-- Strategy: Direct tool mapping — one tool per endpoint

  > Generated mcp + claude.md + agents.md + cursorrules + llms.txt + gemini.md + skills + a2a (15 files)
  > Output: ./swagger-petstore-mcp-server
  > Security scan: PASSED

Tested on Real APIs

Agentify handles APIs of any size — from 13-endpoint apps to 1,000+ endpoint platforms.

API	Endpoints	Domains	TypeScript	Server starts
Notion	13	5	PASS	PASS
Petstore (Swagger 2.0)	20	3	PASS	PASS
httpbin (non-compliant spec)	73	11	PASS	PASS
Slack Web API	174	55	PASS	PASS
Stripe	452	1	PASS	PASS
GitHub REST API	1,093	43	PASS	PASS

Every generated MCP server compiles with zero TypeScript errors and starts immediately. Non-compliant specs (like httpbin) are auto-normalized with warnings instead of rejected. The GitHub REST API — 1,093 endpoints across 43 domains — produces a working server with 1,093 tools.

How It Works

OpenAPI Spec (URL or file)
    |
    v
  PARSE ──> SANITIZE ──> ANALYZE ──> COMPILE ──> EMIT ──> SCAN ──> OUTPUT
              |              |           |          |        |
          Strip unsafe    Detect     Build IR    Run      Security
          patterns        domains,   (typed)     emitters  scan all
                          auth,                            generated
                          API scale                        code

Agentify parses your spec into an intermediate representation (AgentifyIR), then runs pluggable emitters to produce each output format. Every generated artifact goes through a security scan before being written to disk.

Security built in:

• Input sanitization (blocks eval, exec, Function constructor injection)
• Prompt injection pattern detection
• Generated code scanning

Contributing

New emitters are welcome. Each one implements a simple interface:

import type { Emitter, AgentifyIR, EmitterOptions, EmitterResult } from "../types";

export class MyFormatEmitter implements Emitter {
  readonly name = "my-format";
  readonly format = "my-format";

  async emit(ir: AgentifyIR, options: EmitterOptions): Promise<EmitterResult> {
    // Generate output files from the IR
    return { format: this.format, filesWritten: [...], warnings: [] };
  }
}

agentify/
+-- src/
|   +-- cli.ts              # CLI entry point
|   +-- parser/             # OpenAPI parsing + sanitization
|   +-- generator/          # Pluggable emitters for each format
|   +-- security/           # Input sanitization + output scanning
|   +-- types.ts            # AgentifyIR type definitions
+-- test/                   # Vitest test suite (136 tests)

Status

This is early. It works on Swagger 2.0 and OpenAPI 3.x specs, handles auth detection, domain grouping, and API scale analysis. If you try it and something breaks, open an issue — that helps a lot.

• OpenAPI parser, MCP emitter, security scanner, CLI
• 9 output formats: MCP, CLAUDE.md, AGENTS.md, .cursorrules, Skills, llms.txt, GEMINI.md, A2A, CLI
• Capability graph and semantic grouping
• Web UI and one-click deploy
• Custom emitter plugins

License

MIT